Company lists · Data refreshed September 2026

Top 21 Government consulting services based in Seattle, United States

RevenueBase identified 58 government consulting services headquartered in Seattle, United States as of September 2026 and tracks 400 professional contacts across them, including 134 with verified work emails. Washington is the largest hub.

This list covers government consulting services headquartered in Seattle, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
58Companies
400Contacts tracked
134Verified emails
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The 21 largest government consulting services based in Seattle, United States

Ranked by team size
Top 21 of 58 government consulting services based in Seattle, United States, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to government consulting services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceSeattle, WA, United StatesHQ checked Sep 21, 202651-200103 contacts →

Strong evidence

“Sila is a technology and management consulting firm that delivers lasting and substantial business solutions to the world’s leading corporations and Federal government agencies.”

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-5068 contacts →

Indirect evidence

“BERK is an interdisciplinary consultancy integrating strategy, planning, and policy development; financial and economic analysis; and facilitation, design, and communications.”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-5039 contacts →

Indirect evidence

“Bryant Christie Inc.(BCI) helps companies and organizations open, access, and expand international markets.”

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-5010 contacts →

Indirect evidence

“Alithi’s team of expert strategists, policy leaders, sourcing specialists, education reformers, community builders, data scientists, and impact experts have spent decades honing…”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261-1010 contacts →

Indirect evidence

“We Believe That Long-Term Customer Satisfaction Is The Cornerstone Of Our Success.”

Source: RevenueBase Database · checked Sep 21, 2026
6Partial evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-509 contacts →

Partial evidence

“Coopersmith Law + Strategy is a law and strategic consulting firm that helps clients resolve challenges spanning business, law, policy, and operations.”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceSeattle, United StatesHQ checked Sep 21, 202611-506 contacts →

Indirect evidence

“Innovation is in our DNA.”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261-104 contacts →

Indirect evidence

“Our diverse group of consultants specialize in Environmental Studies, including Forensic Chemistry, Business-to Business (B2B) Marketing and Management, and Computer Systems…”

Source: RevenueBase Database · checked Sep 21, 2026
9Partial evidenceSeattle, United StatesHQ checked Sep 21, 20261-104 contacts →

Partial evidence

“Luma Consulting LLC works with nonprofit organizations and foundations that want assistance with strategic planning, developing nonprofit business plans, implementing new…”

Source: RevenueBase Database · checked Sep 21, 2026
10Strong evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-503 contacts →

Strong evidence

“Management and Marketing Consulting We provide management and marketing consulting to businesses, government agencies and nonprofit organizations.”

Source: RevenueBase Database · checked Sep 21, 2026
11Strong evidenceSeattle, United StatesHQ checked Sep 21, 202611-503 contacts →

Strong evidence

“Overview Globe Link Group provides strategic consulting services, Project management, Finance management, Community Engagement and Staffing services to commercial, government and…”

Source: RevenueBase Database · checked Sep 21, 2026
12Partial evidenceSeattle, United StatesHQ checked Sep 21, 20261-103 contacts →

Partial evidence

“Martech Consulting Group provides business consulting services rooted in decades of expertise in both leadership and execution for marketing, operations, sales and account…”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261-102 contacts →

Indirect evidence

“MICHAEL A DAVIS CONSULTANT PC is a company based out of Seattle, Washington, United States.”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261-102 contacts →

Indirect evidence

“We are The Nguyen Solutions.”

Source: RevenueBase Database · checked Sep 21, 2026
15Partial evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261-102 contacts →

Partial evidence

“Based in Seattle, Washington, Optima is a licensed engineering and management consulting.”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceSeattle, United StatesHQ checked Sep 21, 20261-102 contacts →

Indirect evidence

“Simply put, we have the right people with the right expertise and a single vision – your success.”

Source: RevenueBase Database · checked Sep 21, 2026
17Partial evidenceSeattle, WA, United StatesHQ checked Sep 21, 202611-501 contacts →

Partial evidence

“We do consulting

Source: RevenueBase Database · checked Sep 21, 2026
18Partial evidenceSeattle, United StatesHQ checked Sep 21, 202611-501 contacts →

Partial evidence

“Lisa Williams & Associates is pleased to offer health care organizations a suite of skilled and experienced consulting services in areas such as: operations, organizational…”

Source: RevenueBase Database · checked Sep 21, 2026
19Partial evidenceSeattle, United StatesHQ checked Sep 21, 20261-101 contacts →

Partial evidence

Consulting for public organizations, established businesses, and startups and help them transform, innovate, and thrive over the long term.”

Source: RevenueBase Database · checked Sep 21, 2026
20Strong evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261-101 contacts →

Strong evidence

“Kiana Scott Strategies offers communication and strategy consulting at the intersection of philanthropy, government relations, and public policy.”

Source: RevenueBase Database · checked Sep 21, 2026
21Partial evidenceSeattle, WA, United StatesHQ checked Sep 21, 20261-101 contacts →

Partial evidence

Consulting

Source: RevenueBase Database · checked Sep 21, 2026

Showing 21 of 58 government consulting services based in Seattle, United States

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Government consulting services based in Seattle, United States at a glance

As of Sep 21, 2026
33.5%Verified-email coverage
6.9Average contacts per company
1-10Median size (employees)
689.7%Largest-city concentration · Washington
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
41
11-50
15
51-200
2

Email recency for this list is measured across the whole United States list rather than for Seattle, so it is reported there. Company counts and contact totals on this page are exact for Seattle, over 58 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among government consulting services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Seattle, United States whose own description of what they do matches “government consulting services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names government consulting services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among government consulting services, and records with no verified work email. Companies headquartered outside Seattle are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 134 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Government consulting services by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names government consulting services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many government consulting services are there based in Seattle, United States?

RevenueBase identified 58 government consulting services headquartered in Seattle, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Sila Solutions Group, headquartered in Seattle, tops this list with the largest team on record.

Which city has the most government consulting services?

Washington leads with 400 headquartered companies, followed by New York (180) and Houston (145).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 134 verified decision-maker contacts tracked across these 58 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.